The national program was launched in 2003 and is usedat 563 school and community sites.

2003年，这项国家项目正式启动，学校和社区公共服务设施共计563处已经使用到该项目。

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It was a very careful strategy to go for the two biggest community sites for people under 30.

收购这两家针对30岁以下人士的最大社区网站是个十分谨慎的策略。

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But the number of users on social-networking and other community sites jumped 31% to 301.5 million people.

而社交网站和其他社群网站的用户数量飙升了31%，至3.015亿。

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Google Analytics pulls together activities from all over the Web, including social community sites like Facebook.

FORBES: Magazine Article

He also made a string of acquisitions, buying the online arm of Wired magazine and several community sites.

ECONOMIST: Face value

Venture capitalists have ploughed millions of dollars into Friendster and similar community sites.

CNN: Net-working: Can cyberspace help?